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Enabling legal arguments to be created, evaluated, and compared using rule representation tools

Monica Palmirani, monica.palmirani@unibo.it, Chair
Guido Governatori, guido.governatori2@unibo.it, Chair

Table of Contents


LegalRuleML Core Specification v1.0 is now an OASIS Standard. For details, see the announcement.

LegalRuleML Core Specification v1.0 is now an approved Committee Specification. For details, see the announcement.


The OASIS LegalRuleML TC defines a rule interchange language for the legal domain. The work enables modeling and reasoning that allows implementers to structure, evaluate, and compare legal arguments constructed using the rule representation tools provided.

The TC is affiliated with the OASIS LegalXML Member Section. For more information on LegalRuleML, see the TC Charter.


No subcommittees have been formed for this TC.

TC Tools and Approved Publications

Issues list

TC GitHub Repositories

  • legalruleml — GitHub repository for developing and distributing good examples in order to share knowledge about the correct application of LegalRuleML standard

SVA version control

TC Wiki

Technical Work Produced by the Committee

LegalRuleML Core Specification Version 1.0 OASIS Standard 30 August 2021 HTML (Authoritative): https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/legalruleml-core-spec-v1.0-os.html Editable source: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/legalruleml-core-spec-v1.0-os.docx PDF: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/legalruleml-core-spec-v1.0-os.pdf XSD schemas: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/xsd-schema/https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/relaxng/ XSLT transformations: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/xslt/ XSD-conversion drivers: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/generation/ RDFS metamodel: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/rdfs/ Metamodel diagrams: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/diagrams/ Examples: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/examples/ Distribution ZIP file For your convenience, OASIS provides a complete package of the prose specification and related files in a ZIP distribution file. You can download the ZIP file here: https://docs.oasis-open.org/legalruleml/legalruleml-core-spec/v1.0/os/legalruleml-core-spec-v1.0-os.zip

Expository Work Produced by the Committee

There are no approved expository work products for this TC yet.

External Resources

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Mailing Lists and Comments

legalruleml: the list used by TC members to conduct Committee work. TC membership is required to post. TC members are automatically subscribed; the public may view archives.

legalruleml-comment: a public mail list for providing input to the OASIS LegalRuleML TC members. Send a comment or view archives.

Additional Information

Providing Feedback: OASIS welcomes feedback on its technical activities from potential users, developers, and others to better assure the interoperability and quality of OASIS work.